New posts in Coordinate Systems

Pulley system. Why do I need to put a minus sign?

Dot product of two vectors in spherical polar coordinates, do I have to convert to cartesian coordinates?

How do we know the Schwarzschild solution contains an object of mass $M$?

How can Schwarzschild coordinates be measured?

Active transformation and passive transformation of a scalar field

Coordinates vs. Geometries: How can we know two coordinate systems describe the same geometry?

Kerr Metric from rotated Schwarzschild?

Does spacetime position not form a four-vector?

Locally flat coordinate and Locally inertial frame

Momentum vector transformation